西门子S7-200PLC在直流电源监控器中的应用 |
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引用本文: | 杨胜仪,李叶青.西门子S7-200PLC在直流电源监控器中的应用[J].可编程控制器与工厂自动化(PLC FA),2008(2):46-48. |
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作者姓名: | 杨胜仪 李叶青 |
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作者单位: | 池潭水力发电厂 |
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摘 要: | 文章介绍基于西门子S7—200PLC和MT510T触摸屏的高频直流电源监控器的设计。在充分发挥S7200PLC性能前提下,监控器采用12位A/D模拟量采样模块对电力直流系统的电流、电压等模拟量进行采集处理,利用PID调节算法产生调节量,由模拟量输出通道产生0-10v的直流电压量控制高频整流模块的输出电压、电流,实现闭环控制,从而完成对高频直流电源的实时监控。
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关 键 词: | PLC 高频 直流 监控器 |
Application of S7-200 PLC in the DC Power Supply Monitors |
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Abstract: | This paper introduces design of high-frequency DC power supply monitor based on S7-200 PLC and MT510T HMI. Monitor used a 12-bit A/D sampling analog DC power modules to collect and process the signal such as current and voltage, use PID to control the output voltage and current of high-frequency rectifier module, to achieve closed-loop control, thus completing the high-frequency DC power supply real-time monitoring. |
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